Question: What is the interaction of down quark, that has Q48460 of 539.7544?
Paraphrase: What is the interaction of down quark, that has Q48460 of 539.7544?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q6745 wdt:P517 ?answer . ?answer wdt:P1036 ?x FILTER(contains(?x , '539.7544'))}
Answer: weak interaction